Lenovo ThinkPad Edge E125 (English) User Guide - Page 124
Menu item, Selection, Comments, Password, UEFI BIOS Update Option, Enabled, Memory Protection
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Security menu items Table 5. Security menu items Menu item Submenu item Password Selection UEFI BIOS Update Option Flash BIOS Updating by End-Users • Disabled • Enabled Memory Protection Execution Prevention • Disabled • Enabled Virtualization I/O Port Access 108 User Guide Intel Virtualization Technology AMD-V Technology • Disabled • Enabled Intel VT-d Feature • Disabled • Enabled Ethernet LAN Wireless LAN WiMAX Wireless WAN • Disabled • Enabled • Disabled • Enabled • Disabled • Enabled • Disabled • Enabled Comments Refer to "Security menu" on page 102 and "Using passwords" on page 51. If you select "Enabled," all users can update the UEFI BIOS. If you select "Disabled," only the person who knows supervisor password can update the UEFI BIOS. Some computer viruses and worms cause memory buffers to overflow by running code where only data is allowed. If the Data Execution Prevention feature can be used with your operating system, then by selecting "Enabled" you can protect your computer against attacks by such viruses and worms. If after choosing "Enabled" you find that an application program does not run correctly, select "Disabled" and reset the setting. If you select "Enabled," a Virtual Machine Monitor (VMM) can utilize the additional hardware capabilities provided by Intel Virtualization Technology. Intel VT-d is Intel Virtualization Technology for Directed I/O. When enabled, a VMM can utilize the platform infrastructure for I/O virtualization. If you select "Enabled," you can use the Ethernet LAN device. If you select "Enabled," you can use the Wireless LAN device. If you select "Enabled", you can use the WiMAX device. If you select "Enabled," you can use the Wireless WAN device.